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NTSB investigations: Hiller UH-12E, 1985

7 cases on aircraft the registry lists as Hiller UH-12E. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.

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Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
  FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1
  WHERE year(c.\"eventDate\") = 1985
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4360122', '4360137'))
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

NTSB DEN86LA016Accident · No injuriesLimited investigationFinal reportHiller UH-12E · Vernal, UTThe plt stated he had just departed a site located on top of a mountain, which is approximately 12,200 ft MSL. The pilot said 30 seconds later, the helicopter lost partial power. Requiring him to make a force landing. The inspection of the turbocharger…Nov 1, 1985 · N400AH · Substantial damageNTSB LAX85LA305Accident · No injuriesLimited investigationFinal reportHiller UH-12E · Gonzales, CAWhile cruising during an ag flight the acft's eng began losing pwr. At the time the acft was about 50 ft AGL & was travelling at 50 mph. The plt made a forced ldg onto a nearby plowed fld. Upon touchdown the rt skid dug into a furrow & the acft rolled over.…Jul 5, 1985 · N161HA · Substantial damageNTSB SEA85LA126Accident · No injuriesLimited investigationFinal reportHiller UH-12E · Athena, ORThe acft settled back to the ground shortly after takeoff before achieving translatioanal lift. The plt was attempting to test a new spray unit that had been installed. He had put 80 gallons of water in the spray tanks.May 31, 1985 · N37HS · DestroyedNTSB SEA85LA107Accident · No injuriesLimited investigationFinal reportHiller UH-12E · Fall Creek, ORThe helicopter sustained substantial damage during a forced landing following a loss of power. According to the plt, the helicopter was refueled aprx 1 hr flt time prior to the accident. Cause of the power loss was not determined.May 5, 1985 · N28872 · Substantial damageNTSB DEN85IA117Incident · No injuriesIncident investigationFinal reportHiller UH-12E · Broomfield, COPilot was taking FAA checkride for atp-rotocraft. Examiner requested autorotation demonstration with power recovery due to high gusty winds. Pilot said autorotation was normal until 75-100 ft AGL when rate of descent became excessive. Pilot said before he…Apr 17, 1985 · N7411N · Minor damageNTSB LAX85FA199Accident · Serious injuriesField investigationFinal reportHiller UH12J3 · Klamath, CAThe helicopter was returning to a private landing pad after a reconaisance flight prior to sprating. At about 10FT AGL after flaring and leveling the pilot could not control a drift and roll to the left. The rotor blades struck the ground within about one…Apr 12, 1985 · N545HA · DestroyedNTSB LAX85FA132Accident · Minor injuriesField investigationFinal reportHiller UH12E · Five Points, CAWhile performing an ag flight the helicopter's engin suddenly lost power. At the time the aircraft was near its max allowable gross weight and it was between 3-5FT AGL. As the aircraft yawed left and descended. The pilot in command attempted to land on a…Feb 3, 1985 · N5323V · Substantial damage